Department Of Transportation Uniform Tire Quality Grades

The following tire grading categories were established by the National Highway Traffic Safety Administration. The specific grade rating assigned by the tire’s manufacturer in each category is shown on the sidewall of the tires on your vehicle.

All passenger car tires must conform to Federal safety requirements in addition to these grades.

See also:

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If You Need Assistance
The manufacturer and its authorized dealers are vitally interested in your satisfaction. We want you to be happy with our products and services. Warranty service must be done by an authorized dea ...